So, I ran into a fun problem when doing some more benchmarking for a future post: my router isn’t actually distributing traffic evenly across its two outbound interfaces. The router is a Linux system running VyOS, with a pair of 40 GbE links, one to each of a pair of Arista 7050QX L3 switches. These are L3 interfaces, each with its own /30, and I’m using OSPF and BGP over the top of them, all configured for ECMP. The problem is that it’s not balancing outbound HTTP response traffic acro...
